(19)

(11)

EP 1 537 682 A1

(12)

(43) Date of publication: 08.06.2005 Bulletin 2005/23 (21) Application number: 02756004.4 (22) Date of filing: 10.09.2002

(51) International Patent Classification (IPC)7: H04B 1/74 (86) International application number: PCT/NO2002/000318 (87) International publication number: WO 2004/025865 (25.03.2004 Gazette 2004/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventor: SCHIRDEWAHN, Jochen, Christof N-1358 Jar (NO) (74) Representative: Sjöberg, Mats Hakan  Ericsson ABPatent Unit Core Networks, ÄlvsjöBox 1505 125 25 Älvsjö 125 25 Älvsjö (SE)